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Finding the Fourth Proportional to 1,260,946.80, 1,888,309.80 and 837,932.40

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Solution

The fourth proportional to 1,260,946.80, 1,888,309.80 and 837,932.40 is: 1,254,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,946.80 : 1,888,309.80 = 837,932.40 : x
  2. Step 2: Convert to fraction form
    1,260,946.80/1,888,309.80 = 837,932.40/x
  3. Step 3: Cross multiply
    1,260,946.80x = 1,888,309.80 × 837,932.40
  4. Step 4: Simplify right side
    1,260,946.80x = 1,582,275,962,657.52
  5. Step 5: Solve for x
    x = 1,582,275,962,657.52/1,260,946.80
  6. Step 6: Final answer
    x = 1,254,831.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.